Radiant heat transfers in every direction unlike hot air which tends to move upward and collect at the ceiling. The air gap will also create a space by which the slab will release heat. In slab Hydronic floor heating is a storage heating system. Concrete Slab Insulation Product Overview The Reflectix concrete slab insulation is an innovative, easy-to-handle product that increases the energy efficiency of radiant floor and snow melt systems (Under concrete). embedded in a concrete slab, installed over an existing slab in cement, stapled under subflooring, or fitted inside the. At a compression strength of 140 psi Ultra CBF is our recommended product to install beneath a concrete slab or as part of an in-floor radiant heating system to make it more efficient. All three types of radiant floor heat (air, electric, hot water) can be further subdivided by the type of installation: Those that make use of the large thermal mass of a concrete slab floor or lightweight concrete over a wooden subfloor (these are called "wet installations"). Insulated concrete exterior slowing the bleed of heat to the outside with radiant floor heating system heating the thermal mass slab and radiating heat into the home. Insulating a Concrete Slab vs. 21 attractive Radiant Floor Heating Over Concrete Slab - By yourself will have towards judge the Room available in just your Room then get radiant floor heating over concrete slab every little thing required towards deliver it a dwelling. This slab insulation is 0. Radiant Heating - Slab Floor Packages by Eagle Mountain. Especially with new construction, this method can make a lot of sense because the thermal performance of the finished floor rivals a "slab on grade" installation…. The easiest way to install radiant floor heat is through tubing within a concrete slab or a "slab on grade", which is typically a concrete slab poured on a compact surface. Remember, since you will only have 1 chance to pour the concrete slab, you will only have 1 chance to put the PEX tubing in it. Butt the seams of the product and seal with 3" wide poly tape. When talking about a concrete slab that is susceptible to water leakage, these are important attributes. Hire the Best Radiant Heating Installation Contractors in Portland, ME on HomeAdvisor. 10) below the heating pipes, and five inches of gravel (R-0. 3 kg/ cm2) high density polystyrene foam field panel with a bonded 24 ga. Floating radiant systems, however, can remove the risk. With multiple roll sizes and patented technology, Insul-Tarp is a step ahead of other rolled insulation products on the market today. Ideal for new home builds, large renovations and whole house remodels, hydronic radiant heating systems use a boiler to heat up hot water and a pump to circulate the hot water in plastic pipes installed in a concrete slab. I am having hydronic radiant heating installed in both floors. Never install radiant without insulation, the insulation is more important than the radiant heating system. As important as sub-slab insulation is for a radiant or solar heated slab, the greatest heat loss from a slab-on-grade occurs at the vertical edges and this is why I prefer to pour a slab separate from the foundation and isolated with R-10 edge insulation. heating the shop-radiant floor vs infrared above Although we don't have a barn yet, our timber-framer provided a 1st floor radiant slab and a basement slab (for my workshop). Heat loss from a slab on grade averages about 15% greater than heat loss through a slab in a full basement. Under Concrete Radiant Barrier Insulation is an excellent method of reducing heat loss under a radiant floor heating system installed in a concrete slab. Efficient thermal barrier ensuring permanent energy savings. Slab Heat. Radiant Floor Heating Concrete Slab Insulation. Some people use twice the R-value at the slab edge as they do under the slab. The Reflectix® Concrete Slab Insulation is an innovative, easy-to-handle product that increases the energy efficiency of radiant floor and snow melt systems (under concrete). Get all the construction documentation you'll need, in a single click: Specify This Solution ZIP | 3. Hydronic Radiant Floor Heat 101 With the popularity of radiant floor heat and sales rising each year more and more concrete contractors and general contractors are selling radiant floor heating systems with their projects. Floor Height Issue. Concrete slab radiant floor heating installation concrete how much does radiant floor heating cost radiant heat in a floor c carson dunlop ociates diagrams of wet installations on top both a concrete foundation and subfloor in slab radiant floor heating cable embedded cement. The recommended under slab insulation for radiant would be a minimum 1" or r-5. Ground water can wipe BTUs away from the heated slab. Radiant heating insulation plays a vital role in concrete radiant floor heating systems. Crete-Heat® Cuts radiant heat install by as much as 2/3 Designed to hold PERT, PEX tube securely in place with wider and deeper fastener 3 thicknesses. Floor coverings like carpet and pad require much higher slab temperatures than bare concrete or tile floors, driving more heat down into the ground. Radiant Floor Heating Concrete Slab Insulation. Create a subfloor to pass the pipes; here is the composition of the floor: Joists - Reflective Bubble Insulation, Pex Pipes / Wood Fur, Plywood (Plywood). Its efficiency will depend on the flooring material you have. Either way needs to be compatible with the rest of the system, since we are still in the honeymoon phase with our radiant slab, and since you are doing radiant floors above, my gut is that your first option will fit what you are doing. Unroll Prodex Total Under Concrete or Reflective Bubble White Poly (white side up). DIY Radiant Floor – Concrete Slab. Plastic pipe with glycol-water mix heated by a gas boiler in the house. ThermoSlab Storage Heating System consists of heating cables installed in the foundation of a building either in the concrete slab, or in the sand bed below the concrete slab. Our floors are concrete with no insulation--just slab. Ground water can wipe BTUs away from the heated slab. WarmWire underfloor radiant heating cable is an affordable WarmWire underfloor radiant heating cable is an affordable alternative to radiant heated floor mats. You would also need to have a 1'' gap between insullation and subfloor. Insulating a basement is a great idea if it wasn't insulated when built, as before we began insulating foundation walls and below slabs (see slab on grade), it was generally estimated that basement heat loss accounted for about 1/3 of the total heat loss of a house. We want to install radiant heat to run off our PV system, and have a finish layer poured over. This heats your body directly, as well as warming the adjacent air. We've decided to install 1000 sq. Methods of installation may vary from manufacturer to manufacturer, but the principle is the same. With concrete floor radiant heating, you can heat your home, warm up your garage, and even melt snow and ice away with ease on your concrete driveway or walkways. Radiant heating systems are very common in concrete floors now because they provide a very balanced and comfortable distribution of heat. Radiant tubing installed on top of an existing floor is called a "suspended slab". This is because the heating system is integrated in the slab, and the concrete will absorb the heat produced by the tube. The basement slab is insulated w/ 2" blue-board beneath; the radiant tubing and components are supplied by "Wirsbo". If you have ever walked barefoot on a basement floor, you are familiar with the cold and damp shock that can be nearly unbearable to unprotected feet. Prevents heat loss through the soil. Redi-Foam is an expanded polystyrene (EPS) foam panel designed for under-slab radiant heating applications. Installation of insulation and tubing is easier and faster compared to the installation of such a system with a traditional rigid insulation with wire mesh. Ideal for new home builds, large renovations and whole house remodels, hydronic radiant heating systems use a boiler to heat up hot water and a pump to circulate the hot water in plastic pipes installed in a concrete slab. Floor coverings like carpet and pad require much higher slab temperatures than bare concrete or tile floors, driving more heat down into the ground. Whether you choose our hot water or our electric radiant heating kits, there is a Janes Radiant package for you. is pleased to announce the launch of Heat-Sheet TM - a new lightweight radiant floor insulating system designed for slab-on-grade, sandwich slab, snow-melt, retrofit and overlay applications. The systems depend largely on radiant heat transfer -- the delivery of heat directly from the hot surface to the people and objects in the room via infrared radiation. Check out our video How to Install Radiant Floor Heat Tubing in a Slab On. Very helpful information regarding flooring choices that go with radiant heat. With our unique radiant floor heat process,NESR Inc. If you have the potential for robust downward heat losses but are protected by insulation and. Radiant heat warms a floor's surface through electric mats or water tubing installed on the surface of a concrete floor and encased in an additional thin layer of concrete or thinset. A radiant heating system consists of a series of small tubes installed under the floor, above a ceiling, or behind the walls in your home. Radiant Floor heat creates some questions when first starting, in this article we will. The pipes, embedded in the floor, carry heated water that conduct warmth to the surface of the floor where it broadcasts energy to the room. As a guide, floor heating systems increase the floor height in a room by an average of a less than 1/2 inch, depending on the system you choose. Reduces the installation costs of a hydronic radiant floor system. Radiant floor heating is a wonderfully efficient heat distribution system that takes advantage of the whole floor to heat the home, as opposed to forced air coming out of one small vent and trying to heat a huge space. Install PEX tubing before pouring a concrete slab for the home, or install it when using plywood as a subfloor. Since radiant floor heat is attracted to people and objects, and warms the body from the floor, radiant heat feels 6-8 degrees (F) warmer than forced air. This process can take one to two days at the beginning of the winter season, depending on the thickness of the slab and the amount of floor insulation used. 0 out of 5 stars 7. Radiant heat insulation is installed to prevent heat loss from a PEX radiant floor heating system (most commonly, PEX embedded in concrete slab or stapled underneath the plywood subfloor). Rigid insulation concrete products like foam sheeting are easily broken and must be used with an extra vapor barrier, plus standard foam or polystyrene concrete insulation does not stop radiant heat loss or gain. JavaScript seems to be disabled in your browser. Insulation Foil in Concrete Slabs. Concrete Floor Radiant Heating A Versatile Heating Solution. The heat from the radiant heated floor rises to heat all surfaces in a room or home. STEP Commercial™ is sometimes installed in bathrooms when additional heat is required. Use radiant floor insulation: When installing your in-floor heating, you may want to install a layer of radiant floor insulation. Tile or stone floors are great to look at, but they can be really cold to the touch - especially in winter months. 6" Concrete Slab Welded Wire Fabric Poly Moisture Retarder 8" Masonry Block STYROFOAM brand Insulation Under Slabs 2" board 4 feet from wall 1" board rest on slab Grade Line Insulating edges and under-slab in a radiant floor design. Reflective barriers can be particularly helpful when used under concrete slabs that incorporate radiant heating. of electric radiant heat in the basement of our house to take the cold edge off the concrete slab, which otherwise stays a brisk 55 degrees all year round. Slab Heat. Hydronic Radiant Heat. As a guide, floor heating systems increase the floor height in a room by an average of a less than 1/2 inch, depending on the system you choose. Ground water can wipe BTUs away from the heated slab. Radiant heat panels (or EPS NOT XPS foam board) are installed to prevent heat loss from a radiant floor heating system (most commonly, PEX embedded in concrete slab or stapled underneath the plywood subfloor). com FREE DELIVERY possible on eligible purchases. JavaScript seems to be disabled in your browser. Installation is fast and easy compared to traditional radiant heat insulation which requires multiple steps to run radiant heat piping. The Barrier's flexible EPS core between vapor-retarding films & self-taping overlap flange make it easy to use & cost-effective. Radiant floor heating is a wonderfully efficient heat distribution system that takes advantage of the whole floor to heat the home, as opposed to forced air coming out of one small vent and trying to heat a huge space. Foil Insulation for Floor Radiant Heat is the best way to provide a Radiant Barrier for all types of heating applications. Gyp-Crete and similar lightweight concrete mixes, typically made from concrete and gypsum plaster, are well suited for your application. Without this layer, the slab would continuously suck your floor heat into the ground. John, There are lots of issues here: getting the elevation of the finish flooring on your addition to match the elevation of your existing flooring; using hardwood flooring over hydronic in-floor heat (which can be tricky); whether the PEX tubing belongs in your slab or above your slab; and whether the R-value of the insulation under the slab is adequate. I don’t particularly like them, however, because they’re not very energy efficient. This heats your body directly, as well as warming the adjacent air. After weighing up the pros and cons of building pole barn home, decided that it' the right time to get my new project underway. Radiant floor heating systems are best installed during building construction when the concrete slab and subflooring is being installed. Low voltage 9″ or 12″ radiant heating mat designed to provide healthy and comfortable heat in an office, warehouse or factory. Also consider, the amount of openings, such as windows and doors and if there are other heating sources that can be used in the room. Insulating under concrete using spray foam will control heat loss through the floor, also provide a warmer, more comfortable floor on which to walk and live. Any cool surface touching the concrete slab will try to steal the heat from it and the flexible tubing, thus lowering the heating capacity, efficiency and raising fuel costs. The more insulation you put in walls, roof lines, or attics, the more heat you push into the uninsulated ground. Legalett's GEO-Slab system is a composite design based on a combination of reinforced concrete and non-reinforced concrete and integral structural Expanded Polystyrene (EPS) insulation. One way of taking care of that problem, and also heating your home, is to install radiant floor heating. The role of insulation in a radiant floor heating is obvious: to reduce "back losses", that is, the heat that goes in the wrong directions. Radiant Heating - Slab Floor Packages by Eagle Mountain. Building additions that include a slab-on-grade construction also are subject to the slab edge requirements listed in the IECC/IRC. Installation of insulation and tubing is easier and faster compared to the installation of such a system with a traditional rigid insulation with wire mesh. Ultra CBF offers superior puncture resistance and tear strength and withstands job site traffic. The growing popularity of solar heating has also caused builders and homeowners to give radiant floor heat a second look. ThermoSlab Storage Heating System consists of heating cables installed in the foundation of a building either in the concrete slab, or in the sand bed below the concrete slab. This is because slab shield insulation has a reflective aluminum core, which radiates up. Unroll the InfraStop® Concrete Slab Insulation product over the base material prior to pouring the concrete. Reduces the installation costs of a hydronic radiant floor system. Re: Radiant Floor Heating on a concrete slab without insulation below the slab I have floor heat in a detached double garage/shop and in the basement of the house. Note: Installation instructions and illustrated drawings are recommendations only, while proper local construction methods are the responsibility of the installer. Need Insulation for Under Concrete Slabs & Slabs With Radiant Heat? InsulationStop is the best source for top-quality products at the best price. It is a modular insulation board, vapor barrier and radiant tube holding grid all-in-one product that lays right on top of the gravel or sub-floor. However, don't make the mistake of thinking that a heated slab will store heat for long without proper insulation underneath. Above-Slab Heating. for use in radiant floor heating systems in concrete slab applications. Efficient thermal barrier ensuring permanent energy savings. radiant heating Infrared images illustrate how heat radiates from a heated floor to warm surrounding surfaces. Floating radiant systems, however, can remove the risk. Radiant floor heating systems are best installed during building construction when the concrete slab and subflooring is being installed. Re: Radiant Floor Heating on a concrete slab without insulation below the slab I have floor heat in a detached double garage/shop and in the basement of the house. Need Insulation for Under Concrete Slabs & Slabs With Radiant Heat? InsulationStop is the best source for top-quality products at the best price. SLAB INSULATION The only insulation to use under a slab is the high density foam board, at least 2", sometimes called blue or pink board, foil products should never be used under a slab. The systems depend largely on radiant heat transfer -- the delivery of heat directly from the hot surface to the people and objects in the room via infrared radiation. Whether you choose our hot water or our electric radiant heating kits, there is a Janes Radiant package for you. In the radiant floor heat, you need to maximize the heat transfer between electrical elements and room space; therefore, covering the electrical elements with the insulation is not an advisable option. Efficient thermal barrier ensuring permanent energy savings. Concrete Slab Insulation Product Overview The Reflectix concrete slab insulation is an innovative, easy-to-handle product that increases the energy efficiency of radiant floor and snow melt systems (Under concrete). Warm Board Quality Radiant Floor Heating Concrete Slab Insulation With Thermostat Manifold Pipe , Find Complete Details about Warm Board Quality Radiant Floor Heating Concrete Slab Insulation With Thermostat Manifold Pipe,Radiant Floor Heating Concrete Slab Insulation,Polystyrene Underfloor Insulation Picture,Pert Plastic Hot Water Underfloor Heating Pipe from Floor Heating Systems & Parts. No basement. For those on a budget, real cork underlayment can be used instead. However, for new construction, the slab should be typically at least 4" thick and is dependent upon the soils conditions in your area. The heat from the radiant heated floor rises to heat all surfaces in a room or home. Types of concrete slabs with radiant floor heating. Reduces the installation costs of a hydronic radiant floor system. Warmup's DCM-PRO System, Heating Mat and Foil electric floor heating systems use UL approved ultra-thin heating elements, to quickly yet gently heat the floor surface. Budesheim is committed to a radiant-floor heating system, and the question now turns to exactly where in his proposed 5-inch-thick slab the tubing should be placed. Concrete Slab Insulation Amount, Placement, & Vapor Barrier Placement for (Solar) Radiant Heated Floors, What insulation thickness is needed under a passive-solar heated slab floor? Where should floor slab insulation be placed to avoid heat loss? Where does the vapor barrier go under an insulated, heated floor slab?. The slab-on-grade floor design is perhaps the most widely used when installing hydronic (water) radiant floor heating. Unroll Prodex Total Under Concrete or Reflective Bubble White Poly (white side up). How much insulation is necessary under a typical radiant slab? A. Without adequate insulation, however, heat can be lost as it flows. The heated water from the heat source travels to a manifold where it disperses into tubing "loops" laid in the floor. This is the best choice for new construction and areas receiving new slabs. It should be noted that if any later flooring renovation is undertaken, Canadian In-floor should be notified to make any required adjustments to the heating system. Radiant heat can be used in slabs as thin as 1. At a compression strength of 140 psi Ultra CBF is our recommended product to install beneath a concrete slab or as part of an in-floor radiant heating system to make it more efficient. This particular insulation is the only one on the market with a Bubble/Foil/Bubble configuration. However, don't make the mistake of thinking that a heated slab will store heat for long without proper insulation underneath. Check out our video How to Install Radiant Floor Heat Tubing in a Slab On. There are many floor insulation options—concrete floor insulation (see our Under Slab Insulation page), under floor insulation, crawl space floor insulation, sub floor insulation, mobile home floor insulation, in floor heating insulation, hardwood floor insulation, insulation. This system does not move the. As the author has insert this image into Radiant Floor Heating Over Concrete Slab post section, would ease you to find the perfect match of you decor desire. Since heat rises, radiant heating installed under flooring works better than. What thickness of material? I assume poly. Different insulation types help to minimize heat loss from convection (air circulation), conduction (direct contact) or radiation (energy waves) modes of. can now offer all families an affordable heating system that was only accessible to the super luxury market. Just like in a traditional concrete slab, a wire mesh is laid on top of the insulation. However, the lack of appropriate thermal insulation can allow heat to travel downwards as well, which represents an energy loss. Ideally, a radiant floor heating system should direct its entire energy upwards, towards the indoor space being heated. Panels are manufactured in the USA out of BASF Styropor and Neopor EPS to offer superior strength and insulating properties. It is less expensive than synthetic cork and still offers a great barrier between the slab and your floor-heating system. Under slab insulation for radiant floor heating. Editor's note : The author of this article endorses Warmboard, a manufacturer of alternative floor heating systems. At a compression strength of 140 psi Ultra CBF is our recommended product to install beneath a concrete slab or as part of an in-floor radiant heating system to make it more efficient. In-slab heating is an effective energy-saving option for large areas because it allows the slab to be used for heat storage. What is the proper method for insulating a concrete slab home with radiant floor heat? yesterdays inspection has an exposed area of the exterior slab, insulation cut short… and it is melting the snow away from the home……. Re: Radiant Floor Heating on a concrete slab without insulation below the slab Opp's, I see I'm late as usual. Without this layer, the slab would continuously suck your floor heat into the ground. Heated slab supplied with any form of in-floor radiant heating from a hydronic or an electric, closed loop warm air delivery system. Radiant Heat Panels are used to hold PEX tubing in place above a floor and allows you to use many different types of flooring. Floor coverings like carpet and pad require much higher slab temperatures than bare concrete or tile floors, driving more heat down into the ground. and it doesn't get any better than that. The additional cost will depend on the amount of additional support needed, but if this is required be sure it's included in all cost estimates. You would also need to have a 1'' gap between insullation and subfloor. Radiant heat effectively distributes warmth to the area where it is most needed, closer to the floor, where the people are. Thermal Insulation for Radiant Floor Heating Systems. Also consider, the amount of openings, such as windows and doors and if there are other heating sources that can be used in the room. The pipes, embedded in the floor, carry heated water that conduct warmth to the surface of the floor where it broadcasts energy to the room. About HotRockPanels. There are several types of radiant heat insulation specifically designed for installation beneath concrete. NUDURA has brought innovation to the market with our line of Insulated Concrete Forms and that innovation continues with HYDROFOAM ®. Designing and installing a radiant cooling system can be straight forward, especially when integrating with a radiant heating system. With our unique radiant floor heat process,NESR Inc. Re: Radiant Floor Heating on a concrete slab without insulation below the slab Opp's, I see I'm late as usual. So even if there are no existing plans for the radiant floor heating or a snow melting system, installing PEX tubing in it may turn out to be a good decision. While the Slab Shield "Under Concrete Insulation" has the foil insulation in between two bubble foam layers. John, There are lots of issues here: getting the elevation of the finish flooring on your addition to match the elevation of your existing flooring; using hardwood flooring over hydronic in-floor heat (which can be tricky); whether the PEX tubing belongs in your slab or above your slab; and whether the R-value of the insulation under the slab is adequate. Warm Board Quality Radiant Floor Heating Concrete Slab Insulation With Thermostat Manifold Pipe , Find Complete Details about Warm Board Quality Radiant Floor Heating Concrete Slab Insulation With Thermostat Manifold Pipe,Radiant Floor Heating Concrete Slab Insulation,Polystyrene Underfloor Insulation Picture,Pert Plastic Hot Water Underfloor Heating Pipe from Floor Heating Systems & Parts. The Barrier's™ unique core material is an expanded polystyrene (EPS) with a jobsite tough, heavy-duty poly film. However, for new construction, the slab should be typically at least 4" thick and is dependent upon the soils conditions in your area. Heat transfer simulations were performed to analyze the surface temperature, heat loss, and heat flow of floor structure with radiant heating system. Radiant heat transfers in every direction unlike hot air which tends to move upward and collect at the ceiling. Radiant floor vapor barrier and placement of PEX tubing 03-26-2008, 11:43 PM I am installing a radiant heating system in a concrete slab for the first floor of a two story house. It makes sense to insulate and isolate the ground from your inside environment even if it doesn't have floor heating. True? Hydronic radiant will be in the slab. Floor coverings like carpet and pad require much higher slab temperatures than bare concrete or tile floors, driving more heat down into the ground. Install PEX tubing before pouring a concrete slab for the home, or install it when using plywood as a subfloor. Re: radiant heat in concrete slab You mentioned a poured slab floor, so I'm assuming that you mean a slab-on-grade floor. About Radiant Heat Panels and Insulation. For installation under a residential, commercial or industrial concrete slab. He's considering a product called Creatherm, EPS floor panels which include molded channels for PEX radiant floor tubing. The slab is heated by pumping hot water through pipes laid in the concrete slab. Warmup underfloor heating offers heat-up time in minutes rather than hours, avoiding overheating and wasting energy. In wintry areas of North America, heated walkways and driveways that melt snow have been a prized feature of upscale homes and businesses for decades. Legalett's GEO-Slab system is a composite design based on a combination of reinforced concrete and non-reinforced concrete and integral structural Expanded Polystyrene (EPS) insulation. Radiant heat effectively distributes warmth to the area where it is most needed, closer to the floor, where the people are. Radiant heating systems are very common in concrete floors now because they provide a very balanced and comfortable distribution of heat. HeatShield floor heating systems mark a dramatic improvement over traditional radiant heated floor methods by not allowing heat to escape down into the subfloor. For installation under a commercial, industrial or agricultural concrete slab. Efficient thermal barrier ensuring permanent energy savings. While hot-water and air-based radiant heat systems require pipes being laid beneath the. Figure B 2. and it doesn't get any better than that. Under Slab Insulation (pour concrete directly on top of the panels) Radiant Floor Heating Installations (fasten tubing directly onto the panels; no special connectors needed) INSTA-PANELS ® are Easier to Install, Less Expensive, and More Durable than competing products. Because of our propriety design and sheer volume, Sunboardpanels™ are able to provide a superior product at competitive prices that has never been available in the industry before. 10) is located between the concrete and the gravel (the total thickness of the concrete floor system is roughly nine inches). Radiant floor heating systems are best installed during building construction when the concrete slab and subflooring is being installed. Plastic pipe with glycol-water mix heated by a gas boiler in the house. Embedding a hydronic radiant heating system into a concrete slab is one of the most cost effective ways to install it and most energy-efficient, being that c. Its ease of use, high-performance values, and cost effectiveness has made this product the a sought after material in the underground radiant floor insulation industry today. Ampex insulated pex panels are a cost-effective & superior performing option for hydronic radiant floor heating systems. There is no insulation under either pad. The picture above shows Insul-Tarp in-slab insulation installed under radiant floor heating cable attached to wire mesh. Radiant floor vapor barrier and placement of PEX tubing 03-26-2008, 11:43 PM I am installing a radiant heating system in a concrete slab for the first floor of a two story house. For installation under a residential, commercial or industrial concrete slab. When installed in a concrete slab, radiant underfloor heating is very efficient and comfortable. What is radiant floor heat. Two inches of rigid insulation is recomended with a vapor barrior below the insulation. Installing radiant floor tubing has never been so quick and easy. Electric heating elements or hydronic piping can be cast in a concrete floor slab ("poured floor system" or "wet system"). In the radiant floor heat, you need to maximize the heat transfer between electrical elements and room space; therefore, covering the electrical elements with the insulation is not an advisable option. The Reflectix® Concrete Slab Insulation is an innovative, easy-to-handle product that increases the energy efficiency of radiant floor and snow melt systems (under concrete). The more insulation you put in walls, roof lines, or attics, the more heat you push into the uninsulated ground. Floor coverings like carpet and pad require much higher slab temperatures than bare concrete or tile floors, driving more heat down into the ground. Any cool surface touching the concrete slab will try to steal the heat from it and the flexible tubing, thus lowering the heating capacity, efficiency and raising fuel costs. We want to install radiant heat to run off our PV system, and have a finish layer poured over. Efficient thermal barrier ensuring permanent energy savings. It is a modular insulation board, vapor barrier and radiant tube holding grid all-in-one product that lays right on top of the gravel or sub-floor. Snow-Melting Systems for Concrete Slabs Learn about heated driveways and how electric and hydronic heating systems can turn your exterior concrete flatwork into a radiant heat source, eliminating ice buildup and the need for harmful deicing chemicals by Anne Balogh, ConcreteNetwork. Because the panels act as insulation as well as a reflective heat source, the efficient system serves as a giant radiator, radiating heat evenly across the room. When installed in a concrete slab, radiant underfloor heating is very efficient and comfortable. DIY Radiant Floor – Concrete Slab. The easiest way to install radiant floor heat is through tubing within a concrete slab or a "slab on grade", which is typically a concrete slab poured on a compact surface. The recommended under slab insulation for radiant would be a minimum 1" or r-5. At that point, it is impractical to insulate under the existing slab. Re: radiant heat in concrete slab You mentioned a poured slab floor, so I'm assuming that you mean a slab-on-grade floor. Historically, XPS manufacturers and distributors positioned their product as the only rigid board insulation for concrete slabs. Concrete slab radiant floor heating installation concrete how much does radiant floor heating cost radiant heat in a floor c carson dunlop ociates diagrams of wet installations on top both a concrete foundation and subfloor in slab radiant floor heating cable embedded cement. Its efficiency will depend on the flooring material you have. Heating a Concrete Slab As we continually try to expand our usable living space in our homes, the basement floor slab becomes part of the conversation. Radiant heat panels (or EPS NOT XPS foam board) are installed to prevent heat loss from a radiant floor heating system (most commonly, PEX embedded in concrete slab or stapled underneath the plywood subfloor). used to spread the heat evenly under the subfloor. The Crete-Heat TM Insulated Floor Panel System, is an easily assembled modular board insulation, vapor barrier and radiant tube holding grid that allows for simplied installation of hydronic radiant floor heating systems in basements, garages, main floor slab on grade and above grade installations where concrete or gypcrete is normally used. The tubing in a hydronic radiant floor heating system is a flexible, plastic piping product called PEX (an acronym for crosslinked polyethylene). Radiant floor heating comes from tubes running underneath your floor's surface. Some look like wire fencing that you roll out over the floor. Cold, uninsulated concrete slabs do not create a comfortable living home environment, especially for bare feet. Menu Insulating the foundation for radiant heat 31 March 2014 on building code, energy efficiency, foundation, insulation, radiant, slab, The Build. It should be noted that if any later flooring renovation is undertaken, Canadian In-floor should be notified to make any required adjustments to the heating system. When installed in a concrete slab, radiant underfloor heating is very efficient and comfortable. Hoses to the garage are in and insulated utilidor. Hydronic Floor Heating IN SLAB. Gyp-Crete and similar lightweight concrete mixes, typically made from concrete and gypsum plaster, are well suited for your application. Floor Heating Tubing 12" o. Radiant heat warms a floor's surface through electric mats or water tubing installed on the surface of a concrete floor and encased in an additional thin layer of concrete or thinset. Figure B 2. This article explains how to avoid some fatal mistakes when installing radiant heat in a concrete floor slab by describing an incompetent radiant heat floor installation along with an explanation of why things went wrong and how to avoid these errors. Whike on the topic of radiant, would it be worth the trouble to have different zones in the same floor?. However, don't make the mistake of thinking that a heated slab will store heat for long without proper insulation underneath. When planning the administrative offices of Hansen Pole Buildings, we looked at the most efficient method to heat and cool a building which would have 8000 square feet of finished space. Embedding a hydronic radiant heating system into a concrete slab is one of the most cost effective ways to install it and most energy-efficient, being that concrete is a great thermal mass. 10) is located between the concrete and the gravel (the total thickness of the concrete floor system is roughly nine inches). Should a vapor barrier be placed under the foam? Soil is clay, with gravel to appropriate level, with sand on top. One more thing: Before you invest in radiant heat, consider some of the other, less expensive ways to improve your comfort, such as adding insulation and weather-stripping, or replacing your old furnace with one that's more efficient. HeatShield floor heating systems mark a dramatic improvement over traditional radiant heated floor methods by not allowing heat to escape down into the subfloor. Overlap seams 2". The heat from the radiant heated floor rises to heat all surfaces in a room or home. Ideally, a radiant floor heating system should direct its entire energy upwards, towards the indoor space being heated. Technical Data. With concrete floor radiant heating, you can heat your home, warm up your garage, and even melt snow and ice away with ease on your concrete driveway or walkways. Reflective barriers can be particularly helpful when used under concrete slabs that incorporate radiant heating. Usually, a homeowner does not think about insulation under the garage floor until the cold of the winter. of electric radiant heat in the basement of our house to take the cold edge off the concrete slab, which otherwise stays a brisk 55 degrees all year round. Great for driveways, radiant floors and basements!. Prevents heat loss through the soil. 2 inch, (5mm) closed cell polyethylene foam covered on one side with reinforced foil facing. The Barrier's™ unique core material is an expanded polystyrene (EPS) with a jobsite tough, heavy-duty poly film. Basements that are built on insulated concrete slabs will be more comfortable to occupy for extended periods of time, making it easier to use the floor area for bedrooms, kitchens, even. The key to designing a radiant floor system for a concrete slab is accurate heat loss calculations. SLAB INSULATION The only insulation to use under a slab is the high density foam board, at least 2", sometimes called blue or pink board, foil products should never be used under a slab. We want to install radiant heat to run off our PV system, and have a finish layer poured over. In-slab heating is an effective energy-saving option for large areas because it allows the slab to be used for heat storage. The tubing in a hydronic radiant floor heating system is a flexible, plastic piping product called PEX (an acronym for crosslinked polyethylene). Radiantmax provides complete radiant slab floor packages for any type of concrete slab radiant application. You can step onto a warm and inviting floor, even one built on a concrete slab, by adding in-floor heating. There are many floor insulation options—concrete floor insulation (see our Under Slab Insulation page), under floor insulation, crawl space floor insulation, sub floor insulation, mobile home floor insulation, in floor heating insulation, hardwood floor insulation, insulation. The Barrier™ Under Concrete Insulation is the #1 material for under concrete radiant barrier insulations applications in the North America. Hot water from a dedicated hot water heater is then pumped through the tubing to warm the floor, concrete slab, or wallboard. The air gap will also create a space by which the slab will release heat. While it was done as a new house was being built, in my last house I poured a concrete floor on top of a wood framed floor system and could have put radiant heat in. Hydronic Radiant Floor Heat 101 With the popularity of radiant floor heat and sales rising each year more and more concrete contractors and general contractors are selling radiant floor heating systems with their projects. The concrete slab acts as a giant radiator to heat the building, so it is important to reduce heat losses by using insulation. John Siegenthaler, a consulting engineer who specializes in hydronic-heating-system design, responds: Downward heat loss from a radiant slab should not exceed 10 percent of upward heat output, a ratio derived from European installation standards for floor heating systems. How much insulation is necessary under a typical radiant slab? A. Those systems are most commonly hydronic, meaning heated liquid is pumped through tubing in the concrete which then radiates that heat into the house. These valves may beco ntrolledby. With multiple roll sizes and patented technology, Insul-Tarp is a step ahead of other rolled insulation products on the market today. Embedding your radiant heating system into a concrete slab is one of the most cost effective ways to install it and most energy-efficient, being that concrete is a great thermal mass. It is less expensive than synthetic cork and still offers a great barrier between the slab and your floor-heating system. Concrete Slab And Radiant Heat Insulation. It is believed that practically any new concrete pour should contain radiant floor heat tubing, since concrete can and is usually only poured once. Above-Slab Heating. Heat transfer simulations were performed to analyze the surface temperature, heat loss, and heat flow of floor structure with radiant heating system. After weighing all of the options, it was determined the answer would be hydronic radiant floor heating, poured within the concrete floor. Prodex Total Under Concrete Insulation is ideal for concrete slabs, radiant floors and driveways. Thermal Insulation for Radiant Floor Heating Systems. Heated slab supplied with any form of in-floor radiant heating from a hydronic or an electric, closed loop warm air delivery system. Insulation Under a Concrete Slab with Radiant Heat Installation Instructions. Ampex insulated pex panels are a cost-effective & superior performing option for hydronic radiant floor heating systems. As the past has demonstrated, concrete slab-on-grade floors are ideal for radiant floor heating. The calculation assumes two inches of concrete (R-0. Embedding a hydronic radiant heating system into a concrete slab is one of the most cost effective ways to install it and most energy-efficient, being that c. Tile or stone floors are great to look at, but they can be really cold to the touch - especially in winter months. Let's look at the differences between a radiant concrete slab and a suspended floor. Let us show you how easy it can be to install radiant heat! Installing Rigid Foam insulation. With our unique radiant floor heat process,NESR Inc. Exposed surfaces that conduct heat well are best for radiant floor heating, such as finished concrete or ceramic tile. Reflective barriers can be particularly helpful when used under concrete slabs that incorporate radiant heating. Never install radiant without insulation, the insulation is more important than the radiant heating system.